Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

[linux-2.6.git] / arch / i386 / pci / irq-xen.c

diff --git a/arch/i386/pci/irq-xen.c b/arch/i386/pci/irq-xen.c
index 382af42..cb05422 100644 (file)
--- a/arch/i386/pci/irq-xen.c
+++ b/arch/i386/pci/irq-xen.c
@@ -4,7 +4,6 @@
  *     (c) 1999--2000 Martin Mares <mj@ucw.cz>
  */
 
-#include <linux/config.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
@@ -95,7 +94,10 @@ static struct irq_routing_table * __init pirq_find_routing_table(void)
        u8 *addr;
        struct irq_routing_table *rt;
 
-#ifdef CONFIG_XEN_PRIVILEGED_GUEST
+#ifdef CONFIG_XEN
+       if (!is_initial_xendomain())
+               return NULL;
+#endif
        if (pirq_table_addr) {
                rt = pirq_check_routing_table((u8 *) isa_bus_to_virt(pirq_table_addr));
                if (rt)
@@ -107,7 +109,6 @@ static struct irq_routing_table * __init pirq_find_routing_table(void)
                if (rt)
                        return rt;
        }
-#endif
        
        return NULL;
 }
@@ -201,14 +202,14 @@ static void write_config_nybble(struct pci_dev *router, unsigned offset, unsigne
  */
 static int pirq_ali_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
 {
-       static unsigned char irqmap[16] = { 0, 9, 3, 10, 4, 5, 7, 6, 1, 11, 0, 12, 0, 14, 0, 15 };
+       static const unsigned char irqmap[16] = { 0, 9, 3, 10, 4, 5, 7, 6, 1, 11, 0, 12, 0, 14, 0, 15 };
 
        return irqmap[read_config_nybble(router, 0x48, pirq-1)];
 }
 
 static int pirq_ali_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
-       static unsigned char irqmap[16] = { 0, 8, 0, 2, 4, 5, 7, 6, 0, 1, 3, 9, 11, 0, 13, 15 };
+       static const unsigned char irqmap[16] = { 0, 8, 0, 2, 4, 5, 7, 6, 0, 1, 3, 9, 11, 0, 13, 15 };
        unsigned int val = irqmap[irq];
                
        if (val) {
@@ -259,13 +260,13 @@ static int pirq_via_set(struct pci_dev *router, struct pci_dev *dev, int pirq, i
  */
 static int pirq_via586_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
 {
-       static unsigned int pirqmap[4] = { 3, 2, 5, 1 };
+       static const unsigned int pirqmap[4] = { 3, 2, 5, 1 };
        return read_config_nybble(router, 0x55, pirqmap[pirq-1]);
 }
 
 static int pirq_via586_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
-       static unsigned int pirqmap[4] = { 3, 2, 5, 1 };
+       static const unsigned int pirqmap[4] = { 3, 2, 5, 1 };
        write_config_nybble(router, 0x55, pirqmap[pirq-1], irq);
        return 1;
 }
@@ -277,13 +278,13 @@ static int pirq_via586_set(struct pci_dev *router, struct pci_dev *dev, int pirq
  */
 static int pirq_ite_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
 {
-       static unsigned char pirqmap[4] = { 1, 0, 2, 3 };
+       static const unsigned char pirqmap[4] = { 1, 0, 2, 3 };
        return read_config_nybble(router,0x43, pirqmap[pirq-1]);
 }
 
 static int pirq_ite_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
-       static unsigned char pirqmap[4] = { 1, 0, 2, 3 };
+       static const unsigned char pirqmap[4] = { 1, 0, 2, 3 };
        write_config_nybble(router, 0x43, pirqmap[pirq-1], irq);
        return 1;
 }
@@ -508,7 +509,7 @@ static int pirq_bios_set(struct pci_dev *router, struct pci_dev *dev, int pirq,
 
 static __init int intel_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
 {
-       static struct pci_device_id pirq_440gx[] = {
+       static struct pci_device_id __initdata pirq_440gx[] = {
                { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443GX_0) },
                { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443GX_2) },
                { },
@@ -868,7 +869,7 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
                for (i = 0; i < 16; i++) {
                        if (!(mask & (1 << i)))
                                continue;
-                       if (pirq_penalty[i] < pirq_penalty[newirq] && can_request_irq(i, SA_SHIRQ))
+                       if (pirq_penalty[i] < pirq_penalty[newirq] && can_request_irq(i, IRQF_SHARED))
                                newirq = i;
                }
        }
@@ -883,6 +884,7 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
        ((!(pci_probe & PCI_USE_PIRQ_MASK)) || ((1 << irq) & mask)) ) {
                DBG(" -> got IRQ %d\n", irq);
                msg = "Found";
+               eisa_set_level_irq(irq);
        } else if (newirq && r->set && (dev->class >> 8) != PCI_CLASS_DISPLAY_VGA) {
                DBG(" -> assigning IRQ %d", newirq);
                if (r->set(pirq_router_dev, dev, pirq, newirq)) {